In music, the term allegro means "quickly, lively tempo," which makes this quintessential Bohemian ballet dancer's name all the more appealing. Allegra is one of the most distinctive yet accessible girl names starting with A.

Azul is the Spanish word for "blue" and was first recorded as a baby name (for girls) in 1995. It's technically considered unisex today, although it is still more than three times as common as a feminine name.

Though many might find it too syrupy, hundreds of parents each year choose this name for their daughters to make them feel special. Precious Ramotswe is the engaging African sleuth in the popular No. 1 Ladies' Detective Agency series.